Ultrasonics refers to signals that are above the human hearing span (>20 kHz), and usually in the 40- to 70-kHz range. These signals are used like radar—they’re radiated toward a target and reflected ...

Tesla has announced that it's phasing out ultrasonic sensors (USS) used in its EVs to detect short-range obstacles, Electrek has reported. While other automakers use LiDAR, radar and other sensors on ...